Brock is a moderately popular boys' name in United States, ranking #335 in 2012 with 938 recorded births. This places Brock in the top 2% of ranked US boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2003 with 1,378 births ranking #243. In 2012, approximately 1 in every 2,022 boys born was named Brock. FALLING Recent data shows the name is currently falling.